ee215-exam1s-w04 - EE215: Fundamentals of Electrical...

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EE215: Fundamentals of Electrical Engineering Midterm Exam 1 January 26, 2004 Time: in class, 50 minutes Class: _ EE215 _____________ Section: ____________________ Name: ____________________ Student ID: ____________________ Please show all steps in solving the problems. Clearly mark your final answers and don’t forget the units. Problem 1 (30 points) (a) Determine v o in the circuit above! (20 points) Answer: This is similar to problem 3.17. R eq = 24k + (60k || (30k + 60k )) = 24k + (60k || 90k ) = 24k + 36k = 60k . It follows that the voltage between a and d is 36/60 · 100V = 60V, and thus v o = 60/90 · 60V = 40V . (b) What is the total power dissipated in this circuit? (10 points) Answer: The total power dissipated is equal to the total power developed in the voltage source, P = v 2 / R eq = 10000/60000 W = 1/6 W .
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Problem 2 (35 points) Find the voltage v y in the circuit above! Answer:
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This note was uploaded on 03/29/2012 for the course EE 215 taught by Professor Unknown during the Spring '05 term at University of Washington.

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ee215-exam1s-w04 - EE215: Fundamentals of Electrical...

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